4 - Instrument overview
Rear Panel
13
SMU4000 Series Instruction Manual
S +/- [Sense]- Sense terminals measure voltage and are permanently wired in parallel with the
front panel SENSE HI and LO terminals. 4 Wire setups use the HI & LO Sense plus the HI & LO
FORCE terminals.
WARNING
G [Guard] terminals
Dedicated Guard terminals only feature on the rear panel.
The Guard signal driven to the same potential as the FORCE HI. As such, if the FORCE HI is at a
hazardous voltage, the same hazardous voltage level will also be present at the Guard.
See ‘
’ for more details.
② AC power inlet
The instrument must be connected to AC mains using the power lead provided
.
When the
power lead is connected this lead provides the necessary protective earth connection to an
external protective earth system. See ‘
’ for more details.
③GPIB (optional)
For GPIB connection the SMU Requires a GPIB 1A user retrofittable option, available from the
manufacturers or their agents. The default GPIB address is 10. See
for more
details.
④ USB
The USB device port accepts a standard USB cable. The Windows plug-and-play functions should
automatically recognise that the instrument has been connected. See
for
more details.
⑤ K Lock
The Kensington slot is a standard slot that can be paired with a security cable lock.
⑥ LAN
The LAN interface is designed to meet 1.5 LXI (LAN extensions for Instrumentation) Core
2016.Remote control using the LAN interface is possible using a TCP/IP Socket protocol. See
for more details.
⑦ Chassis earth
M4
The M4 threaded screw marked provides a connection point to safety earth ground. An M4 Ring
tab must be used, with an appropriate washer.
⑧
Digital I/O [DIO]
The DIO is an input/output port that receives, and outputs signals through digital I/O lines. See
for more details.
+5.25Vpk Max. (diode clamped to +5V). The 5V supply is internally fused (resettable fuse) to
500mA, see the SMU4000 Series Service Manual for more information.